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<a href="#pub-slots">Public Slots</a> &#124;
<a href="#signals">Signals</a> &#124;
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pri-slots">Private Slots</a> &#124;
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<p>Implements an integrated file downloader with a nice UI.  
 <a href="class_downloader.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="_downloader_8h_source.html">Downloader.h</a>&gt;</code></p>
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Inheritance diagram for Downloader:</div>
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Public Slots</h2></td></tr>
<tr class="memitem:a7f81027436d44ca52168b30a6eb0d379"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_downloader.html#a7f81027436d44ca52168b30a6eb0d379">startDownload</a> (const QUrl &amp;url)</td></tr>
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<tr class="memitem:a26a4f889029c63c11f679284397a3285"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_downloader.html#a26a4f889029c63c11f679284397a3285">setUseCustomInstallProcedures</a> (const bool &amp;custom)</td></tr>
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Signals</h2></td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><b>downloadFinished</b> (const QString &amp;url, const QString &amp;filepath)</td></tr>
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Public Member Functions</h2></td></tr>
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&#160;</td><td class="memItemRight" valign="bottom"><b>Downloader</b> (QWidget *parent=0)</td></tr>
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<tr class="memitem:a3e7a91a3cdfa68e3bc59db0af1377f9c"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_downloader.html#a3e7a91a3cdfa68e3bc59db0af1377f9c">useCustomInstallProcedures</a> () const </td></tr>
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Private Slots</h2></td></tr>
<tr class="memitem:a0117b0dd837b46ca5cdd8b4f2ea5a552"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_downloader.html#a0117b0dd837b46ca5cdd8b4f2ea5a552">openDownload</a> ()</td></tr>
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<tr class="memitem:a17209ffbd584af1a3e836e46e70d18d9"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_downloader.html#a17209ffbd584af1a3e836e46e70d18d9">cancelDownload</a> ()</td></tr>
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<tr class="memitem:acfd827dd6b36e82a4cc8bfbb284056e9"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_downloader.html#acfd827dd6b36e82a4cc8bfbb284056e9">onDownloadFinished</a> ()</td></tr>
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<tr class="memitem:a2909b4a7cfb35f2709849ee2c95dae0e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_downloader.html#a2909b4a7cfb35f2709849ee2c95dae0e">calculateSizes</a> (qint64 received, qint64 total)</td></tr>
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<tr class="memitem:a097bee5b7d904da53427c5a5cb47ce83"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_downloader.html#a097bee5b7d904da53427c5a5cb47ce83">updateProgress</a> (qint64 received, qint64 total)</td></tr>
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Private Member Functions</h2></td></tr>
<tr class="memitem:ae4285290c22361353a36f25e742fc829"><td class="memItemLeft" align="right" valign="top">qreal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_downloader.html#ae4285290c22361353a36f25e742fc829">round</a> (const qreal &amp;input)</td></tr>
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Private Attributes</h2></td></tr>
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uint&#160;</td><td class="memItemRight" valign="bottom"><b>m_startTime</b></td></tr>
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QString&#160;</td><td class="memItemRight" valign="bottom"><b>m_filePath</b></td></tr>
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Ui::Downloader *&#160;</td><td class="memItemRight" valign="bottom"><b>m_ui</b></td></tr>
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QNetworkReply *&#160;</td><td class="memItemRight" valign="bottom"><b>m_reply</b></td></tr>
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bool&#160;</td><td class="memItemRight" valign="bottom"><b>m_useCustomProcedures</b></td></tr>
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QNetworkAccessManager *&#160;</td><td class="memItemRight" valign="bottom"><b>m_manager</b></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Implements an integrated file downloader with a nice UI. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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          <td class="memname">void Downloader::calculateSizes </td>
          <td>(</td>
          <td class="paramtype">qint64&#160;</td>
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          <td class="paramname"><em>total</em>&#160;</td>
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<p>Calculates the appropiate size units (bytes, KB or MB) for the received data and the total download size. Then, this function proceeds to update the dialog controls/UI. </p>

<p>References <a class="el" href="class_downloader.html#ae4285290c22361353a36f25e742fc829">round()</a>.</p>

<p>Referenced by <a class="el" href="class_downloader.html#a097bee5b7d904da53427c5a5cb47ce83">updateProgress()</a>.</p>

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          <td class="memname">void Downloader::calculateTimeRemaining </td>
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          <td class="paramtype">qint64&#160;</td>
          <td class="paramname"><em>received</em>, </td>
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          <td class="paramname"><em>total</em>&#160;</td>
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          <td>)</td>
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<p>Uses two time samples (from the current time and a previous sample) to calculate how many bytes have been downloaded.</p>
<p>Then, this function proceeds to calculate the appropiate units of time (hours, minutes or seconds) and constructs a user-friendly string, which is displayed in the dialog. </p>

<p>Referenced by <a class="el" href="class_downloader.html#a097bee5b7d904da53427c5a5cb47ce83">updateProgress()</a>.</p>

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<p>Prompts the user if he/she wants to cancel the download and cancels the download if the user agrees to do that. </p>

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<p>Instructs the OS to open the downloaded file.</p>
<dl class="section note"><dt>Note</dt><dd>If <code><a class="el" href="class_downloader.html#a3e7a91a3cdfa68e3bc59db0af1377f9c">useCustomInstallProcedures()</a></code> returns <code>true</code>, the function will not instruct the OS to open the downloaded file. You can use the signals fired by the <code><a class="el" href="class_q_simple_updater.html" title="Manages the updater instances. ">QSimpleUpdater</a></code> to install the update with your own implementations/code. </dd></dl>

<p>References <a class="el" href="class_downloader.html#a0117b0dd837b46ca5cdd8b4f2ea5a552">openDownload()</a>, and <a class="el" href="class_downloader.html#a3e7a91a3cdfa68e3bc59db0af1377f9c">useCustomInstallProcedures()</a>.</p>

<p>Referenced by <a class="el" href="class_downloader.html#acfd827dd6b36e82a4cc8bfbb284056e9">onDownloadFinished()</a>.</p>

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<p>Writes the downloaded data to a temp. directory and updates the UI controls. </p><dl class="section note"><dt>Note</dt><dd>If the function detects that the downloaded data is an HTML file (e.g. a redirection notice from the server), the function will add the *.html extension to the downloaded file. This ensures that the download will be resumed when the OS opens a web-browser with the redirection notice. </dd></dl>

<p>References <a class="el" href="class_downloader.html#abd39884d0586459bdd09b490913223fe">installUpdate()</a>.</p>

<p>Referenced by <a class="el" href="class_downloader.html#a7f81027436d44ca52168b30a6eb0d379">startDownload()</a>.</p>

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<p>Opens the downloaded file. </p><dl class="section note"><dt>Note</dt><dd>If the downloaded file is not found, then the function will alert the user about the error. </dd></dl>

<p>Referenced by <a class="el" href="class_downloader.html#abd39884d0586459bdd09b490913223fe">installUpdate()</a>.</p>

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<p>Rounds the given <em>input</em> to two decimal places </p>

<p>Referenced by <a class="el" href="class_downloader.html#a2909b4a7cfb35f2709849ee2c95dae0e">calculateSizes()</a>.</p>

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          <td class="memname">void Downloader::setUseCustomInstallProcedures </td>
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<p>If the <em>custom</em> parameter is set to <code>true</code>, then the <code><a class="el" href="class_downloader.html" title="Implements an integrated file downloader with a nice UI. ">Downloader</a></code> will not attempt to open the downloaded file.</p>
<p>Use the signals fired by the <code><a class="el" href="class_q_simple_updater.html" title="Manages the updater instances. ">QSimpleUpdater</a></code> to implement your own install procedures. </p>

<p>Referenced by <a class="el" href="class_updater.html#ac3f35326fb62b9cf8a2421d91651ad60">Updater::setUseCustomInstallProcedures()</a>.</p>

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          <td class="memname">void Downloader::startDownload </td>
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          <td class="paramname"><em>url</em></td><td>)</td>
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<p>Begins downloading the file at the given <em>url</em> </p>

<p>References <a class="el" href="class_downloader.html#acfd827dd6b36e82a4cc8bfbb284056e9">onDownloadFinished()</a>, and <a class="el" href="class_downloader.html#a097bee5b7d904da53427c5a5cb47ce83">updateProgress()</a>.</p>

<p>Referenced by <a class="el" href="class_updater.html#a1a38e54201eb876d14eb26fab40a7dc7">Updater::setUpdateAvailable()</a>.</p>

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          <td class="memname">void Downloader::updateProgress </td>
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          <td class="paramtype">qint64&#160;</td>
          <td class="paramname"><em>received</em>, </td>
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          <td class="paramname"><em>total</em>&#160;</td>
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<p>Uses the <em>received</em> and <em>total</em> parameters to get the download progress and update the progressbar value on the dialog. </p>

<p>References <a class="el" href="class_downloader.html#a2909b4a7cfb35f2709849ee2c95dae0e">calculateSizes()</a>, and <a class="el" href="class_downloader.html#a662cc753f90f25c91721f8edeaac9b57">calculateTimeRemaining()</a>.</p>

<p>Referenced by <a class="el" href="class_downloader.html#a7f81027436d44ca52168b30a6eb0d379">startDownload()</a>.</p>

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<p>Returns <code>true</code> if the updater shall not intervene when the download has finished (you can use the <code><a class="el" href="class_q_simple_updater.html" title="Manages the updater instances. ">QSimpleUpdater</a></code> signals to know when the download is completed). </p>

<p>Referenced by <a class="el" href="class_downloader.html#abd39884d0586459bdd09b490913223fe">installUpdate()</a>, and <a class="el" href="class_updater.html#a7860e1643f426dc4d62cec2cdf207cd5">Updater::useCustomInstallProcedures()</a>.</p>

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<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="_downloader_8h_source.html">Downloader.h</a></li>
<li>Downloader.cpp</li>
</ul>
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